Once a year, a company's private cloud experiences increased activity. The company has a disaster recovery site that is hosted in a public cloud. To avoid investment in additional hardware, which of the following actions would BEST address this issue?

A. Configure cloud bursting to spin up new VMs automatically and terminate them when usage is back to normal.
B. Activate the disaster recovery site, and deactivate it when usage is back to normal.
C. Create a new backup site and decommission it when usage is back to normal.
D. Manually add memory and CPU to existing VMs, and remove them when usage is back to normal.